.bigcontent .nav > li > a {
    color: #000;
}
.bigcontent .nav > li > a:hover {
    color: #000;
}
.content-boxes {
    padding: 0 2px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: auto;
    grid-auto-flow: dense;
    margin-top: 92px;
}
.box-item {
    padding: 0 2px 4px;
}
.big-item {
    grid-column-start: span 2;
    grid-row-start: span 2;
}
.gallery {
    padding-bottom: 75%;
    background-size: cover;
}
@media (max-width: 640px) {
    .content-boxes {
        display: block;
        margin-top: 65px;
    }
}